Earth’s major Systems Lessons 1 and 2 Flashcards
(23 cards)
-the layer of gasses surround Earth
Atmosphere
-Earth’s water, whether found on continents or oceans, including freshwater in glaciers, lakes, or rivers and underground
Hydrosphere
-the part of the Earth in which living things exist and interact
Biosphere
-the layers of rock, dirt, and soil on Earth, including the mantle, core and crust
Geosphere
-Earth’s solid, rocky surface
Crust
-the layer of Earth beneath the crust
Mantle
-the central part of Earth
Core
-the slow movement of the continents over many years
Continental drift
-scientific theory that Earth’s crust is made of moving plates
Tectonic plates
-a pattern or crack in the rocks of Earth’s crust where movement can take place
Fault
-The atmosphere contains____________which plants need it to make food
Biosphere
-The___________protects living things in biosphere
Ozone layer
-The____________influences weather patterns
Geosphere
-A__________scientist who examines rocks to find out about Earth’s history and structure
Geologist
_______________thought Earth’s continents were a giant jigsaw puzzle
Alfred Wegener
____________theory describes the lithosphere as being made of huge plates of solid rock
Plate tectonics
_____________is the squeezing or a pushing together of the crust
Compression
-When a plate is compressed, the crust is forced upward, producing
Folded mountains
Rock break down and become
Sediment
Soil forms in layers called
Horizons
__________ is a thin layer of topsoil with little humus
Forest soil
_________ is sandy and does not have much humus
Desert soil
__________________________is rich is humus, which provides nutrients for crops and holds water so minerals are not washed deep into the ground
Grasslands and prarie soil
